The human body is a wonderous thing, especially when you consider how intricate and efficient each bodily system is. For instance, an adult’s blood vessels could encircle the earth 2.5 times if ...

The human body has more than 600 muscles, which help people walk, run, eat and even smile. Some muscles have garnered more fame than others, however. Here's a rundown of some of the most interesting ...

The human body is designed pretty well: Our muscles are able to switch between strength and dexterity, limbs stiffening when we do an energy-fueled task like lifting a bowling ball and softening when ...

In his 1863 book Evidence as to Man’s Place in Nature, Thomas Henry Huxley raised hell by arguing that humans weren’t special. Like other animals, he said, humans are a byproduct of evolution, which ...